[HTML][HTML] Chemical inhomogeneities in high-entropy alloys help mitigate the strength-ductility trade-off

E Ma, C Liu - Progress in Materials Science, 2024 - Elsevier
Metallurgists have long been accustomed to a trade-off between yield strength and tensile
ductility. Extending previously known strain-hardening mechanisms, the emerging multi …

[HTML][HTML] Chemical short-range orders in high-/medium-entropy alloys

X Wu - Journal of Materials Science & Technology, 2023 - Elsevier
High (or medium)-entropy alloys (H/MEAs) are complex concentrated solid solutions prone
to develop the chemical short-range orders (CSROs), as an indispensable structural …

[HTML][HTML] Evolution of short-range order and its effects on the plastic deformation behavior of single crystals of the equiatomic Cr-Co-Ni medium-entropy alloy

L Li, Z Chen, S Kuroiwa, M Ito, K Yuge, K Kishida… - Acta Materialia, 2023 - Elsevier
Abstract Short-range ordering (SRO), its evolution in the equiatomic Cr-Co-Ni medium-
entropy alloy (MEA), and its effects on mechanical properties were investigated by …

Exceptionally High Saturation Magnetic Flux Density and Ultralow Coercivity via an Amorphous–Nanocrystalline Transitional Microstructure in an FeCo‐Based Alloy

X Li, J Zhou, L Shen, B Sun, H Bai… - Advanced …, 2023 - Wiley Online Library
High saturation magnetic flux density (Bs) of soft magnetic materials is essential for
increasing the power density of modern magnetic devices and motor machines. Yet …

Mechanically derived short-range order and its impact on the multi-principal-element alloys

JB Seol, WS Ko, SS Sohn, MY Na, HJ Chang… - Nature …, 2022 - nature.com
Chemical short-range order in disordered solid solutions often emerges with specific heat
treatments. Unlike thermally activated ordering, mechanically derived short-range order …

Interstitial-driven local chemical order enables ultrastrong face-centered cubic multicomponent alloys

Z He, Y Guo, L Sun, HL Yan, X Guan, S Jiang, Y Shen… - Acta Materialia, 2023 - Elsevier
Multicomponent alloys of the Fe-Mn-Co-Cr-Ni family with face-centered cubic (fcc) structure
exhibit many excellent properties. However, they usually show limited yield strength, which …

On the origin of diffuse intensities in fcc electron diffraction patterns

FG Coury, C Miller, R Field, M Kaufman - Nature, 2023 - nature.com
Interpreting diffuse intensities in electron diffraction patterns can be challenging in samples
with high atomic-level complexity, as often is the case with multi-principal element alloys. For …

Overcoming the strength-ductility trade-off in refractory medium-entropy alloys via controlled B2 ordering

N Yurchenko, E Panina, A Tojibaev… - Materials Research …, 2022 - Taylor & Francis
Herein, we showed that controlled additions of Al, which provided a certain degree of B2
ordering, resulted in a∼ 37%-enhancement of both yield strength and uniform elongation in …

Lightweight Ti-Zr-Nb-Al-V refractory high-entropy alloys with superior strength-ductility synergy and corrosion resistance

H Wang, W Chen, Z Fu, C Chu, Z Tian, Z Jiang… - International Journal of …, 2023 - Elsevier
Refractory high-entropy alloys (RHEAs) are regarded as promising candidates of the next
generation superalloys, mainly benefitting from the high strength at high temperatures …

Improving ductility by coherent nanoprecipitates in medium entropy alloy

Z Zhang, Y Ma, M Yang, P Jiang, H Feng, Y Zhu… - International Journal of …, 2024 - Elsevier
Controlling precipitates in spatial density and size distribution is essential for tailoring the
microstructure and mechanical properties through precipitation hardening. We herein …